| Company | Timeline | Status | |
| WP SK Midco Limited Secretary • Unreported | 2 Jul 2008←7 Years→23 Jul 2015 | Active | |
| WP SK Limited Secretary • Unreported | 2 Jul 2008←7 Years→23 Jul 2015 | Active | |
| WP SK Holdings Limited Secretary • Accountant | 2 Jul 2008←7 Years→23 Jul 2015 | Active | |
| WP SK France Limited Secretary • Unreported | 2 Jul 2008←7 Years→23 Jul 2015 | Dissolved | |
| Safety-Kleen Europe Limited Secretary • Unreported | 2 Jul 2008←7 Years→23 Jul 2015 | Active | |
| Safety-Kleen UK (Europe) Limited Secretary • Unreported | 2 Jul 2008←7 Years→23 Jul 2015 | Dissolved | |
| Safety-Kleen UK (France) Limited Secretary • Unreported | 2 Jul 2008←7 Years→23 Jul 2015 | Dissolved | |
| Safety-Kleen U.K. Limited Secretary • Accountant | 2 Jul 2008←7 Years→23 Jul 2015 | Active | |
| Safetykleen Finance Limited Secretary • Unreported | 24 Jun 2008←7 Years→23 Jul 2015 | Active | |
| WP Midco1 Limited Secretary • Unreported | 18 Jun 2008←7 Years→23 Jul 2015 | Active | |
